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donglora/vendor/ssd1306/CHANGELOG.md
T
swaitsandClaude Opus 4.6 3102fc747a feat: add display UI with splash screen, dashboard, and RSSI sparkline 
Implement full SSD1306 OLED display support:
- Splash screen on boot (1.5s) with project name, version, board
- Dashboard showing radio state, config, counters, RSSI/SNR
- RSSI history sparkline (64-sample ring buffer, 2px-wide bars)
- DisplayOn/DisplayOff host commands routed via dedicated channel
- Pure render functions against generic DrawTarget (no hardware coupling)
- Display on/off control bypasses radio task entirely

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 20:42:54 -06:00

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# Changelog
[`ssd1306`](https://crates.io/crates/ssd1306) is a no-std driver written in Rust for the popular
SSD1306 monochrome OLED display.
<!-- next-header -->
## [Unreleased] - ReleaseDate
## [0.10.0] - 2025-03-22
### Changed
- Added `DisplaySize64x32` to the prelude
- Update `embedded-hal-bus` dependency to 0.3.0
- Update examples
### Fixed
- Switch to resolver version 2. This fixes compilation issues when the `async` feature is enabled.
- Parentheses for expression in mode/terminal.rs (see [precedence](https://rust-lang.github.io/rust-clippy/master/index.html#precedence)) in mode/terminal.rs
- Switch iterator in `write_str` in mode/terminal.rs from last() to next_back (see [double_ended_iterator_last](https://rust-lang.github.io/rust-clippy/master/index.html#double_ended_iterator_last))
- If feature `async` is enabled, the `embedded_hal_async::i2c::I2c` is used instead of `embedded_hal::i2c::I2c` so the I2C can be shared
- Update dependencies for `embassy-executor` to 0.7.0
- Remove `embassy-executor` feature "integrated-timer". See https://github.com/embassy-rs/embassy/blob/main/embassy-executor/CHANGELOG.md
- Switch `embassy-executor` from git to crates.io
- Update dependencies for `embassy-stm32` to 0.2.0
- Switch `embassy-stm32` from git to crates.io
- Update dependencies for `embassy-time` to 0.4.0
- Switch `embassy-time` from git to crates.io
- Update dependencies for `tinybmp` to 0.5.0
- Update root-toolchain to 1.84 for github workflow in ci.yml
## [0.9.0] - 2024-08-30
- Updated dependencies for `embedded-hal` 1.0.0.
- Switch examples to embassy STM32 PAC which implements `embedded-hal` 1.0.0 traits.
- Add an asynchronous interface, enabled via the `async` feature.
- **(breaking)** Increased MSRV to 1.75.0
### Added
- [#203](https://github.com/jamwaffles/ssd1306/pull/203) Added `Ssd1306::release(self)` to release the contained i2c interface.
### Changed
- [#212](https://github.com/rust-embedded-community/ssd1306/pull/212) Switch
from circleci to github actions. Adjust urls now repository is hosted on
rust-embedded-community. Update code and config for modern rust and tools
## [0.8.4] - 2023-10-27
### Fixed
- [#201](https://github.com/jamwaffles/ssd1306/pull/201) Fixed `BufferedGraphicsMode::clear(On)` such that it fills all pixels with `On`, not only some.
## [0.8.3] - 2023-10-09
### Changed
- [#195](https://github.com/jamwaffles/ssd1306/pull/195) Changed `BasicMode::clear` to clear in
small batches instead of one big write. This drops RAM requirement by ~900b and fixes issues on
MCUs with less than 1Kb of RAM.
- [#195](https://github.com/jamwaffles/ssd1306/pull/195) Changed `TerminalMode` to use lookup by
ASCII code instead of per-character match when searching for glyph. This may save up to 3.5Kb of
compiled code on AVR MCUs.
## [0.8.2] - 2023-09-29
### Fixed
- [#197](https://github.com/jamwaffles/ssd1306/pull/197) Fixed terminal mode panic and wrapping
behaviour for rotated displays.
## [0.8.1] - 2023-08-18
### Added
- [#190](https://github.com/jamwaffles/ssd1306/pull/190) Added `Ssd1306::set_invert` to invert the
screen pixels
## [0.8.0] - 2023-06-01
### Added
- [#183](https://github.com/jamwaffles/ssd1306/pull/183) `Brightness::custom()` is now publicly
available.
### Fixed
- [#177](https://github.com/jamwaffles/ssd1306/pull/177) Fixed a few spelling mistakes.
### Changed
- **(breaking)** [#184](https://github.com/jamwaffles/ssd1306/pull/184) Increased MSRV to 1.61.0
- **(breaking)** [#179](https://github.com/jamwaffles/ssd1306/pull/179) Changed `Ssd1306::reset`
signature.
- [#181](https://github.com/jamwaffles/ssd1306/pull/181) Update embedded-graphics-core dependency to
0.4
- **(breaking)** [#185](https://github.com/jamwaffles/ssd1306/pull/185) The inherent
`BufferedGraphicsMode::clear` has been renamed to `clear_buffer`.
- [#185](https://github.com/jamwaffles/ssd1306/pull/185) Some methods no longer require
`DI: WriteOnlyDataCommand`.
## [0.7.1] - 2022-08-15
### Added
- [#161](https://github.com/jamwaffles/ssd1306/pull/161) Added a `set_mirror` method to enable or
disable display mirroring.
- [#166](https://github.com/jamwaffles/ssd1306/pull/166) Added `DisplaySize` configuration for 64x32
displays.
## [0.7.0] - 2021-07-08
### Changed
- **(breaking)** [#158](https://github.com/jamwaffles/ssd1306/pull/158) Migrate away from
`generic-array` to a solution using const generics. This raises the crate MSRV to 1.51.
## [0.6.0] - 2021-06-22
### Changed
- **(breaking)** [#156](https://github.com/jamwaffles/ssd1306/pull/156) Migrate from
`embedded-graphics` to `embedded-graphics-core`.
- **(breaking)** [#150](https://github.com/jamwaffles/ssd1306/pull/150)
`BufferedGraphicsMode::set_pixel` now accepts a `bool` instead of a `u8` for the pixel color
value.
- **(breaking)** [#150](https://github.com/jamwaffles/ssd1306/pull/150) `display_on` is now called
`set_display_on`.
- **(breaking)** [#150](https://github.com/jamwaffles/ssd1306/pull/150) `TerminalMode::get_position`
is now called `position` to conform with Rust API guidelines.
- **(breaking)** [#150](https://github.com/jamwaffles/ssd1306/pull/150) Refactor the crate API to be
more versatile and to make code clearer to understand.
A graphics mode initialisation now looks like this:
```rust
use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
let interface = I2CDisplayInterface::new(i2c);
let mut display = Ssd1306::new(interface, DisplaySize128x64, DisplayRotation::Rotate0)
.into_buffered_graphics_mode();
display.init().unwrap();
```
## [0.5.2] - 2021-04-19
- [#145](https://github.com/jamwaffles/ssd1306/pull/145) Fixed rotation for 96x16 and 72x40
displays.
- [#147](https://github.com/jamwaffles/ssd1306/pull/147) Fixed display rotation in terminal mode.
## [0.5.1] - 2021-01-09
## [0.5.0] - 2020-12-21
## [0.4.2] - 2020-12-15 (yanked)
### Changed
- **(breaking)** [#139](https://github.com/jamwaffles/ssd1306/pull/139) Removed default display size
type parameters.
### Fixed
- [#141](https://github.com/jamwaffles/ssd1306/pull/141) 72x40 displays can now be set to higher
brightnesses, matching other sizes.
## [0.4.1] - 2020-12-01
### Changed
- [#137](https://github.com/jamwaffles/ssd1306/pull/137) Replaced `TerminalMode` font with a new,
more consistent one. This now uses the `zxpix` font from
<https://jared.geek.nz/2014/jan/custom-fonts-for-microcontrollers>.
## [0.4.0] - 2020-08-03
### Added
- [#121](https://github.com/jamwaffles/ssd1306/pull/121) Added brightness control with the
`set_brightness()` method.
- [#118](https://github.com/jamwaffles/ssd1306/pull/118) `DisplayModeTrait::into_properties()` new
method that consumes the driver and returns the `DisplayProperties`
### Changed
- **(breaking)** [#129](https://github.com/jamwaffles/ssd1306/pull/129) `TerminalMode::set_rotation`
now resets the cursor position
- **(breaking)** [#125](https://github.com/jamwaffles/ssd1306/pull/125) Redesigned display size
handling.
- **(breaking)** [#126](https://github.com/jamwaffles/ssd1306/pull/126) Moved `reset` method to
`DisplayModeTrait`. If the prelude is not used, add either `use ssd1306::prelude::*` or
`ssd1306::mode::displaymode::DisplayModeTrait` to your imports.
- **(breaking)** [#119](https://github.com/jamwaffles/ssd1306/pull/119) Remove `DisplayMode` and
`RawMode`
- [#120](https://github.com/jamwaffles/ssd1306/pull/120) Update to v0.4
[`display-interface`](https://crates.io/crates/display-interface)
- **(breaking)** [#118](https://github.com/jamwaffles/ssd1306/pull/118) Change `release` method to
return the display interface instead of the `DisplayProperties`.
- **(breaking)** [#116](https://github.com/jamwaffles/ssd1306/pull/116) Replace custom I2C and SPI
interfaces by generic [`display-interface`](https://crates.io/crates/display-interface)
- **(breaking)** [#113](https://github.com/jamwaffles/ssd1306/pull/113) Removed public
`send_bounded_data` from DisplayInterface and implementations
### Fixed
- [#129](https://github.com/jamwaffles/ssd1306/pull/129) Fixed `Rotate90` and `Rotate270` rotation
modes for `TerminalMode`
## [0.3.1] - 2020-03-21
### Fixed
- Fix docs.rs build config
## [0.3.0] - 2020-03-20
### Fixed
- [#111](https://github.com/jamwaffles/ssd1306/pull/111) Fix TerminalMode offset for smaller
displays.
### Added
- [#111](https://github.com/jamwaffles/ssd1306/pull/111) Add support for modules with a 64x48px
display size.
### Changed
- **(breaking)** [#112](https://github.com/jamwaffles/ssd1306/pull/112) Upgrade to embedded-graphics
0.6.0
- [#107](https://github.com/jamwaffles/ssd1306/pull/107) Migrate from Travis to CircleCI
- [#105](https://github.com/jamwaffles/ssd1306/pull/105) Reduce flash usage by around 400 bytes by
replacing some internal `unwrap()`s with `as` coercions.
- [#106](https://github.com/jamwaffles/ssd1306/pull/106) Optimise internals by using iterators to
elide bounds checks. Should also speed up `GraphicsMode` (and `embedded-graphics` operations) with
a cleaned-up `set_pixel`.
- [#108](https://github.com/jamwaffles/ssd1306/pull/108) Add an example using
`DisplayProperties.draw()` to send a raw buffer of random bytes to the display over I2C.
### Added
- [#110](https://github.com/jamwaffles/ssd1306/pull/110) Add an animated image example `rtfm_dvd`
using [RTFM](https://crates.io/crates/cortex-m-rtfm)
## [0.3.0-alpha.4] - 2020-02-07
### Added
- [#101](https://github.com/jamwaffles/ssd1306/pull/101) Add support for modules with a 72x40px
display size. These are often advertised as 70x40px displays which are likely the same hardware.
An example is also added - `graphics_i2c_72x40`.
### Fixed
- Fix docs.rs build by targeting `x86_64-unknown-linux-gnu`
### Changed
- **(breaking)** Upgrade embedded-graphics from `0.6.0-alpha.2` to version `0.6.0-alpha.3`
- [#106](https://github.com/jamwaffles/ssd1306/pull/106) Switch out some `for` loops for iterators
internally to speed up data transfers and reduce code size in `--release` mode.
## [0.3.0-alpha.3] - 2020-02-03
### Changed
- [#97](https://github.com/jamwaffles/ssd1306/pull/97) Use the new `Triangle` primitive from
Embedded Graphics 0.6.0-alpha.2 in the three SSD1306 `graphics*.rs` examples
- [#103](https://github.com/jamwaffles/ssd1306/pull/103) Pin embedded-graphics version to
0.6.0-alpha.2
## [0.3.0-alpha.2]
### Fixed
- [#80](https://github.com/jamwaffles/ssd1306/pull/80) `TerminalMode` now has a cursor. Newlines
(`\n`) and carriage returns (`\r`) are now supported.
### Changed
- [#94](https://github.com/jamwaffles/ssd1306/pull/94) Programs that only change some parts of the
display should now run much faster. The driver keeps track of changed pixels and only sends a
bounding box of updated pixels instead of updating the entire display every time.
## [0.3.0-alpha.1]
### Changed
- **(breaking)** Upgraded to Embedded Graphics 0.6.0-alpha.2
## 0.2.6
### Added
- Added a changelog!
- Display power control (#86) - call `.display_on(true)` or `.display_on(false)` to turn on or off
the display respectively.
### Fixed
- Doc examples are now tested in CI (#89)
### Changed
- Builder docs clarify the order of method calls (#89)
<!-- next-url -->
[Unreleased]: https://github.com/rust-embedded-community/ssd1306/compare/v0.10.0...HEAD
[0.10.0]: https://github.com/rust-embedded-community/ssd1306/compare/v0.9.0...v0.10.0
[0.9.0]: https://github.com/jamwaffles/ssd1306/compare/v0.8.4...v0.9.0
[0.8.4]: https://github.com/jamwaffles/ssd1306/compare/v0.8.3...v0.8.4
[0.8.3]: https://github.com/jamwaffles/ssd1306/compare/v0.8.2...v0.8.3
[0.8.2]: https://github.com/jamwaffles/ssd1306/compare/v0.8.1...v0.8.2
[0.8.1]: https://github.com/jamwaffles/ssd1306/compare/v0.8.0...v0.8.1
[0.8.0]: https://github.com/jamwaffles/ssd1306/compare/v0.7.1...v0.8.0
[0.7.1]: https://github.com/jamwaffles/ssd1306/compare/v0.7.0...v0.7.1
[0.7.0]: https://github.com/jamwaffles/ssd1306/compare/v0.6.0...v0.7.0
[0.6.0]: https://github.com/jamwaffles/ssd1306/compare/v0.5.2...v0.6.0
[0.5.2]: https://github.com/jamwaffles/ssd1306/compare/v0.5.1...v0.5.2
[0.5.1]: https://github.com/jamwaffles/ssd1306/compare/v0.5.0...v0.5.1
[0.5.0]: https://github.com/jamwaffles/ssd1306/compare/v0.4.2...v0.5.0
[0.4.2]: https://github.com/jamwaffles/ssd1306/compare/v0.4.1...v0.4.2
[0.4.1]: https://github.com/jamwaffles/ssd1306/compare/v0.4.0...v0.4.1
[0.4.0]: https://github.com/jamwaffles/ssd1306/compare/v0.3.1...v0.4.0
[0.3.1]: https://github.com/jamwaffles/ssd1306/compare/v0.3.0...v0.3.1
[0.3.0]: https://github.com/jamwaffles/ssd1306/compare/v0.3.0-alpha.4...v0.3.0
[0.3.0-alpha.4]: https://github.com/jamwaffles/ssd1306/compare/v0.3.0-alpha.3...v0.3.0-alpha.4
[0.3.0-alpha.3]: https://github.com/jamwaffles/ssd1306/compare/v0.3.0-alpha.2...v0.3.0-alpha.3
[0.3.0-alpha.2]: https://github.com/jamwaffles/ssd1306/compare/v0.3.0-alpha.1...v0.3.0-alpha.2
[0.3.0-alpha.1]: https://github.com/jamwaffles/ssd1306/compare/0.2.5...v0.3.0-alpha.1
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